coal mine

noun

a mine or pit from which coal is obtained.

Origin of coal mine

First recorded in 1605–15

Related formscoal miner, nouncoal mining, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for coal mine

Historical Examples of coal mine

Now, if a coal-mine could be put into one's waistcoat pocket—but it can't!
Victory
Joseph Conrad
An employee at a coal-mine in Ohio is reported to have died from overwork.
Punch or the London Charivari, October 20, 1920
Various
But time passed on, and it was Davie's last day in the coal-mine.
Parables from Flowers
Gertrude P. Dyer
He told him about the coal-mine speculation and M. Dambreuse's proposal.
Sentimental Education, Volume II
Gustave Flaubert
The only reason for its building was a coal-mine boom that petered out.
Desert Conquest
A. M. Chisholm